KR-808D Battery Questions (Bad Battery or Bad Charger)

[salventura]

Hello ECF family,

I have a KR-808D Battery and would like to know the following:

Can a Bad Charger make a battery go bad? - I would like to think the answer is No, since a bad charger would simply just not charge the battery.

Can a Bad Battery make a charger go bad? - Just using logic I would like to think No.

Only reason I ask is I started off with two KR-808D batteries, and they would not hold a charge, so I was sent two replacement batteries and sent the defective batteries back. The two replacement batteries are doing now doing the same thing, not holding a charge. Battery can be dead, put on the charger and 5 minutes later the charger indicates the battery is fully charged, then other times the battery will charge for about an hour and work fine (although that rarely happens).

I contacted the company and they are going to send me two replacement batteries, and a different charger, however this time they told me to simply throw away the charger, and batteries I currently have. Now I agree that the charger is bad, but I would hate to throw away two "good" batteries.

Any and all comments, answers, suggestions would be most appreciated.

 

[Bozzlite]

If it was me, I would just have to see if the old batteries work with the new charger.

Keep in mind that you are taking a risk that the batteries indeed caused the charger to go bad. That seems highly unlikely to me, but I suppose it is possible.

In light of the fact that your first replacement batteries went the same way as the original ones, I would say "Bad charger".

 

[rolygate]

It's a fact of vaping life that a multimeter is a very useful tool. In theory you don't need one, with regular ecig products anyway, but as soon as there is a problem then a meter is very helpful.

For example, you would be able to tell what voltage the batteries are coming off-charge at, and if they hold a charge or not. With this information you can start to decide where the problem is.

Just be careful of two things when testing a battery voltage:

- Make sure the meter is set to DC Volts (V=), not Resistance (Ohms / omega).

- Don't short the positive and negative poles of the battery out with a meter probe while pressing the switch to check voltage.

If it's an auto battery then you have to use a special adapter and that is beyond the scope of this basic advice. One reason to always have a manual battery even if you only use autos.